Imperial Japanese military manufacturing scenes circa 1940

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[@capthawkeye8010]

The oil you see at 0:47 is likely Picric Acid/Liquid Melinite being poured into the warhead. Picric Acid is very powerful, and most nations were using it as filler during World War 1 except for Germany which was using Toluene which later becomes TNT after a triple nitration process. After World War 1 the United States stopped using Picric Acid because it could react with the metallic sides of the shell casing and cause oxides which were unstable. If the shell was dropped or handled poorly these oxides could make it go off. The US switched to TNT but Japan continued to use Picric Acid in manufacture of its ammunition which gave qualities of being both a tad more powerful than others' explosives and much less safe too.

[@lpsowns]

That's fascinating! Is there a known reason for Japan continuing to use picric acid? Inability to access chemicals or supply shortages, for example?

[@capthawkeye8010]

@@lpsowns TNT is difficult to make because Toluene is harder to come by. Germany actually experienced supply shortages of HE filler in both World Wars because Toluene is a byproduct of petrol which Germany never had in great supply. Japan had even less, so they had to stick with the old school methods.

[@Oligodendrocyte139]

Sounds like you know your way around things that go bang 😊. I don't know where you're based but if you're ever in Scotland I thoroughly recommend the Devil's Porridge Museum in Gretna. 👍

[@paoloviti6156]

Thanks for sharing this very interesting info, much appreciated 👍👍👍

[@bwilliams463]

It looked to me like a rather primitive way of loading explosive into a bomb casing. They look very likely to explode if they are suddenly jarred or tipped over. Or sneezed on.

[@Better_Clean_Than_Green]

This is some glass quality footage, awesome

[@northernskys]

Interesting film. You see a lot of German wartime manufacturing, but not a lot of Japanese. Comparing the two, the German films seem to enhance how intense the whole process is, while this Japanese film seems to indicate their manufacturing processes were, more considered, and less rushed. Great footage as usual!

[@SatelliteYL]

Incredible!

[@JohnSmith-oh9ux]

Thnx!

[@Paulftate]

When it's hot its hot

[@thischannelisbackon5679]

Pause at 0:42 This picture, is very powerful

[@RoosterG33rs]

Why?

[@thischannelisbackon5679]

​@@RoosterG33rs Think about it. Look closer and notice the details

[@RoosterG33rs]

​@@thischannelisbackon5679 What was your opinion?

[@thischannelisbackon5679]

@@RoosterG33rs @RoosterG33rs there's no opinion. Only observation. Behind him, to his sides, his fellow workers doing the same. Uniformly, in uniform, producing materials for the war effort. Materials that require extensive time and precision to make. Hands on type stuff-no negligence allowed. The background, cranes and equipment running about. Floor to ceiling, People are probably heard shouting for communication between the grinds and squeals of the steel the are forming. A hundred things moving in one second around the shop while the material in front moves hundreds of times a second in front of him. All focus shifts to his front. Whole hands can be ripped off or death can occur from this failure instantly. He's using a lathe to machine was seems to be a projectile. A big one. He knows what is for, what it was before he got it and a decent idea where it's going. The vast importance of labor quality is felt and yet unspoken. His head and whole body, covered in a film of oil, metal shavings and soot from the workshop conditions. Even by the grain of the footage, he seems like he's sweating his ass off. Probably is. His mind? Who knows but he's not distracted on something irrelevant to the war, his home or maybe eating.

[@yetizero5563]

японские высококачественные бомбы

[@SMGJohn]

Japan was in many ways better at making stuff than the Germans, the only thing stopping them was access to materials since Japan had enough manpower but not enough steel plates to hammer.